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Application filed by Didek Stanislav, Frantisek Ferkl, Antonin Cap, Stejskal Alois, Kubovy Josef, Jaroslav Dykast, Lojka Jaroslav, Marie Markova, Petr Doc Ing UrsinyfiledCriticalDidek Stanislav
Priority to CS857219ApriorityCriticalpatent/CS259713B1/en
Publication of CS721985A1publicationCriticalpatent/CS721985A1/en
Publication of CS259713B1publicationCriticalpatent/CS259713B1/en